GTMDs, orbital angular momentum, and pretzelosity
Brean Maynard, Peter Schweitzer
TL;DR
This paper investigates GTMDs, orbital angular momentum, and pretzelosity within the bag model, providing theoretical consistency, analytical sum rule proofs, and exploring their interrelations.
Contribution
It offers a theoretical analysis of GTMDs and orbital angular momentum in the bag model, including new sum rule proofs and insights into pretzelosity.
Findings
The model description is shown to be theoretically consistent.
Analytical proofs of sum rules related to orbital angular momentum are provided.
A deeper relationship between orbital angular momentum and pretzelosity TMD is established.
Abstract
The leading Generalized Transverse Momentum Dependent parton distributions (GTMDs) are studied in the bag model. The model description is shown to be theoretically consistent. The orbital angular momentum is studied in terms of the GTMD and Ji sum rule. Analytical proofs of the associated sum rules are given. A deeper relationship between orbital angular momentum and the pretzelosity TMD is established in this model.
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